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Cursor (company)
Cursor is an AI code editor developed by Anysphere, a San Francisco company founded in 2022, known for its rapid growth and its $60 billion acquisition by SpaceX in 2026.
Cursor 2.0
Cursor 2.0 is a major release of the Cursor AI code editor, published by Anysphere on October 29, 2025, adding up to 8 parallel agents and the in-house Composer model.
Cursor Composer
Cursor Composer is a family of proprietary agentic coding models built by Anysphere, first released in October 2025 as the company's first in-house large language model.
Curtailment (renewable energy)
Curtailment is the deliberate reduction of wind or solar power plant output when the grid cannot absorb the electricity, due to transmission limits, stability needs, or supply-demand imbalances.
Curtailment of wind power
Curtailment of wind power is the deliberate reduction of a wind plant's output below achievable generation, ordered by the grid operator during oversupply or transmission congestion.
Curtain
A curtain is a piece of fabric hung over a window, doorway, or stage opening to control light, provide privacy, insulate against heat and cold, reduce sound, or decorate.
Curtain wall (architecture)
A curtain wall is a non-load-bearing outer building envelope, usually of glass and metal, that hangs from the main structure and transfers wind loads to it.
Curtiss C-46 Commando
The Curtiss C-46 Commando, developed from the CW-20 airliner, is a twin-engine transport built for the US Army Air Forces in World War II and flown over the Hump.
Curtiss No. 2
The Curtiss No. 2, or Reims Racer, was a pusher biplane Glenn Curtiss built to win the inaugural 1909 Gordon Bennett Cup at Reims, France, and is regarded as the first airplane intended purely for racing.
Curtiss P-36 Hawk
The Curtiss P-36 Hawk, known to Curtiss as the Model 75, was an American all-metal fighter of the late 1930s and the direct ancestor of the P-40 Warhawk.
Curtiss P-40 Warhawk
The Curtiss P-40 Warhawk, named Tomahawk and Kittyhawk by the British, was an American World War II fighter that served as the USAAF's workhorse until mid-1943.
Curtiss SB2C Helldiver
The Curtiss SB2C Helldiver was a US Navy carrier-based dive bomber that replaced the SBD Dauntless in 1943; more than 6,600 were built, also as the A-25 Shrike.
Curtiss-Wright
Curtiss-Wright Corporation is an American aerospace and defense manufacturer formed in 1929 by the merger of the Curtiss and Wright companies; once the dominant maker of American aircraft, it exited airframes in 1951.
Curtiss-Wright XP-55 Ascender
The Curtiss-Wright XP-55 Ascender (company designation CW-24) was an American experimental pusher-canard fighter prototype built for the US Army Air Corps in the early 1940s.
Curve25519
Curve25519 is an elliptic curve defined by Daniel J. Bernstein over the prime 2^255 − 19 for fast, constant-time key agreement, widely deployed in TLS 1.3 and SSH.
Curved roof
A curved roof is a roof whose surface bends instead of lying flat, allowing lighter construction and large column-free spaces, in forms such as barrel vaults and domes.
Curved-crease folding
Curved-crease folding is a form of origami in which a sheet is folded along a curved crease line, coupling folding with panel bending to produce saddles, spirals, and domes.
Cusco Alejandro Velasco Astete International Airport
Alejandro Velasco Astete International Airport (Aeropuerto Internacional Teniente Alejandro Velasco Astete) is the airport serving Cusco, Peru, in operation since 1933 and the main gateway to Machu Picchu.
Cushing Connect Pipeline & Terminal LLC
Cushing Connect Pipeline & Terminal LLC is a joint venture of HF Sinclair and Plains All American that owns a crude oil pipeline from Cushing to Tulsa, Oklahoma.
Cusiana Field
Cusiana Field is a giant oil and gas field in the Llanos Foothills of Casanare, Colombia, discovered in 1988 and once producing over 37% of the country's oil.
Cusiana Norte Gas Field
Cusiana Norte is an operating conventional natural gas field near Aguazul in Casanare, Colombia, adjacent to the larger Cusiana field and ranking among Colombia's top gas producers.
Cusiana Oil and Gas Field
Cusiana is a giant oil and gas field in the Llanos foothills of Casanare, eastern Colombia, discovered by BP in 1991 and now operated by Ecopetrol.
Cusp confinement
Cusp confinement is a magnetic fusion confinement scheme where field lines intersect the walls, so particles escape through cusps; plasmas are nonetheless MHD-stable, even at high beta.
Custom House
Custom House, London: Grade I listed neoclassical customs headquarters on Lower Thames Street, built 1813–17 by David Laing, river front rebuilt by Robert Smirke in 1825, with a John Rennie quay wall; approved in 2025 for conversion to a 179-room hotel.
Custom Integrated Circuits Conference
The Custom Integrated Circuits Conference (CICC) is an annual IEEE conference on custom integrated circuit design, established in 1979 and held each spring in North America.
Custom Local Area Signaling Services
Custom Local Area Signaling Services (CLASS) is a set of call-management features, including caller ID and distinctive ringing, defined by Bellcore and offered within a local calling region since 1984.
Customcells
Customcells is a German developer and manufacturer of customized high-performance lithium-ion battery cells, founded in 2012 as a Fraunhofer spinout in Itzehoe, serving aviation, defense, and motorsport customers.
Customer Choice (Michigan)
Customer Choice is Michigan's program letting customers of its four largest gas utilities buy gas from a licensed alternative supplier, with the utility still delivering it.
Customer development
Customer development is a four-step framework introduced by Steve Blank in 2005 in which startup founders test their business hypotheses directly with potential customers before scaling.
Customer proprietary network information
Customer proprietary network information (CPNI) is confidential customer data that US telecom carriers collect, defined by section 222 of the Communications Act and regulated by the FCC.